*{margin: 0;padding: 0;}
.main{
    margin: 0 auto;
    position: relative;
}
.item{
    float: left;
    padding: 15px 0 0 15px;
}
.pic{
    border: 1px solid #ccc;
    padding: 15px;
    border-radius: 8px;
}
.pic img{
    width: 158px;
}